countries sample size sample mean sample standard deviation brazil n=20 X1=3.48 S1=1.78 Ireland n=20 X2=2.17 S2=1.41...
| countries | sample size | sample mean | sample standard deviation |
| brazil | n=20 | X1=3.48 | S1=1.78 |
| Ireland | n=20 | X2=2.17 | S2=1.41 |
A) Test at 5% level individually if the mean percentage for each of the means is different from 10%.
B) Obtain a 95% confidence interval for the difference of means for the two countries.
C) Test an appropriate pair of hypotheses for the two means at 5% level of significance.
Homework Answers
Add Answer to:
countries
sample size
sample mean
sample standard deviation
brazil
n=20
X1=3.48
S1=1.78
Ireland
n=20
X2=2.17
S2=1.41...
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